What would cause a seemingly ordinary man to secretly fortify a bulldozer until it was bulletproof and explosive-resistant, then drive it down to city hall and level it, while destroying local businesses and pancaking police cruisers along the way?
In the spring of 2024, I have moved to Colorado for a few months to embark on a research project for my first non-fiction book about the unbelievable true story of Marvin Heemeyer and his giant, weaponized bulldozer.
In 2004, the media ran wild with this story, sensationalizing it by referring to the machine as ‘The Killdozer.’
Hauntingly, a note Marvin left behind read:
“Sometimes reasonable men must do unreasonable things.”
I’m on a quest to uncover:
- What caused a man, who his friends referred to as a gentle giant, to destroy a small town in Colorado in a homemade tank?
- How was a lone welder able to create a machine that couldn’t be stopped by police, civilians, or other massive heavy machinery?
- And perhaps, most importantly, are we all only one bad day away from going on a rampage ourselves?
You’re invited on this adventure with me!
Check out this video to learn more!
There is more to the story than meets the eye (much more!), and I can’t wait to share it with all of you! You can sign up for updates here: https://chelzmarketing.com/subscribe/
Because of the sensitive nature of this story, I will be donating 100% of any profits from this book to charities (primarily charities chosen by folks who help me with my project by sharing their stories and memories)
You can learn more about my Marv Heemeyer project, & check out some jaw-dropping videos of the dozer, on my website here: https://chelzmarketing.com/marvinheemeyerproject/
Vengeance. Corruption. Ingenuity. Danger. Patriotism. Folk-hero or villain? I’m working to discover the full backstory about one of the wildest true crime cases that has ever happened.
Follow along with me on my adventure to Colorado this spring, where I will work to uncover never-before-told stories, long-held secrets, and the truth behind the ‘Killdozer’ rampage.


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